Hardware Spec Index

Zephyra PW-2964 Plus 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW2964-PLUS · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index789 (Power Supplies scale)
Category rank#13,955
Street price$39
Power550 W (rated)
Performance per dollar20.23
Released2021

Specifications

BrandZephyra
ModelZephyra PW-2964 Plus
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-2394 Ultra 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,970$389Compare
Teralux PW-5160 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,828$149Compare
Teralux PW-4503 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,538$109Compare
Zephyra PW-7504 Ultra 750W 80 PLUS Gold ATX Power Supply1,485$109Compare
Caldera PW-3354 Pro 1300W 80 PLUS Titanium ATX Power Supply2,720$379Compare
Caldera PW-9592 Ti 1200W 80 PLUS Platinum ATX 3.0 Power Supply1,971$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2964 Plus 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/9674342 (accessed 2026-10-23).